Question

创建cookie

$cookie_name = "userw";
$cookie_value = "John due";
setcookie($cookie_name, $cookie_value, time() + (86400 * 30), "/"); // 86400 = 1 day

if(!isset($_COOKIE[$cookie_name])) {
    echo "Cookie named '" . $cookie_name . "' is not set!";
} else {
    echo "Cookie '" . $cookie_name . "' is set!<br>";
    echo "Value is: " . $_COOKIE[$cookie_name];
}

删除cookie

// set the expiration date to one hour ago
$cookie_name = "userw";

setcookie("$cookie_name", "", time() - 3600);
unset($_COOKIE[$cookie_name]);


$cookie_name = "userw";
if(!isset($_COOKIE[$cookie_name])) {
    echo "Cookie named '" . $cookie_name . "' is not set!";
} else {
    echo "Cookie '" . $cookie_name . "' is set!<br>";
    echo "Value is: " . $_COOKIE[$cookie_name];
}

删除后读取cookie

$cookie_name = "userw";
if(!isset($_COOKIE[$cookie_name])) {
    echo "Cookie named '" . $cookie_name . "' is not set!";
} else {
    echo "Cookie '" . $cookie_name . "' is set!<br>";
    echo "Value is: " . $_COOKIE[$cookie_name];
}

如果在未设置的情况下读取文件中的cookie，则cookie不会出现。但是当我再次读取Cookie时，它就会显示出来。我在xampp中测试了它。有人对此有任何解决方案吗？

Answer 1

删除Cookie时，您需要指定创建时指定的相同路径（除非您想做非常具体的事情）：

尝试一下：

setcookie($cookie_name, '', time() - 3600, '/');   // note the 4th param, '/'

无法删除Cookie，它仍然显示在其他文件中调用它

1 个答案: